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Supplier: Invitrogen
Description: Thermo Scientific™ Pierce PNPP Substrates are powders, tablets, solutions and complete kits of p-nitrophenyl phosphate, a colorimetric, soluble substrate of alkaline phosphatase for use in ELISA applications

PNPP (p-Nitrophenyl Phosphate, Disodium Sal) is a widely used substrate for detecting alkaline phosphatase in ELISA applications. When alkaline phosphatase and PNPP are reacted, a yellow water-soluble reaction product is formed. This reaction product absorbs light at 405 nm. Pierce PNPP is available in four formats: dry crystalline powder, single-use tablets, a stable substrate solution, and a complete kit containing substrate solution and diethanolamine buffer.

Thermo Scientific Pierce PNPP (p-Nitrophenyl Phosphate, Disodium Salt) is a colorimetric, soluble substrate of alkaline phosphatase for use in ELISA applications. When alkaline phosphatase and PNPP are reacted, a yellow water-soluble reaction product is formed. This reaction product absorbs light at 405 nm.
Supplier: Invitrogen
Description: Pierce™ HisPur™ Ni-NTA Resin is a high-capacity, high-performance nickel-IMAC resin for routine affinity purification of His-tagged fusion proteins.
Catalog Number: (PI88211)
Supplier: Invitrogen
Description: The Pierce™ Heavy and Light Amino Acids are used to specifically analyze protein expression by mass spectrometry using stable isotope labeling with amino acids in cell culture (SILAC) quantification kits.

Supplier: Invitrogen
Description: Pierce peptide retention time calibration mixture enables reversed phase liquid chromatography (LC) and mass spectrometry (LC-MS) users to optimize and confirm correct operation of their equipment.
Catalog Number: (PI88434)
Supplier: Invitrogen
Description: Thermo Scientific Heavy and Light Amino Acids are used to specifically analyze protein expression by mass spectrometry using stable isotope labeling with amino acids in cell culture (SILAC) quantification kits.

Supplier: Invitrogen
Description: SuperSignal™ ELISA Pico chemiluminescent substrate is optimized to generate an intense light signal and provide exceptional performance in luminometer based assays.
Catalog Number: (PI16189)
Supplier: Invitrogen
Description: The Thermo Scientific Pierce Luciferase Cell Lysis Buffer effectively lyses adherent cells or pelleted suspension cells for analysis of promoter expression in luciferase assays.

Catalog Number: (PI22327)
Supplier: Invitrogen
Description: Thermo Scientific Pierce Sulfo-SIAB a water-soluble, mid-length (10.6 angstrom) crosslinker for amine-to-sulfhydryl conjugation via sulfo-N-hydroxysuccinimide (sulfo-NHS) ester and iodoacetyl reactive groups.

Supplier: Invitrogen
Description: Thermo Scientific AminoLink Coupling Resin is crosslinked 4% beaded agarose that has been activated with aldehyde groups to enable covalent immobilization of antibodies and other proteins through primary amines.
Catalog Number: (PI21558)
Supplier: Invitrogen
Description: Thermo Scientific Pierce SMPT is a long-chain crosslinker for amine-to-sulfhydryl conjugation via NHS-ester and pyridyldithiol reactive groups that form strong (hindered) yet cleavable (reducible) disulfide bonds with cysteine sulfhydryls..

Supplier: Invitrogen
Description: Thermo Scientific Pierce Phenol-Chloroform is phenol supplied premixed with chloroform:isoamyl alcohol (25:24:1).
Catalog Number: (PI26180)
Supplier: Invitrogen
Description: Pierce™ HA-Tag IP/Co-IP kit provides the affinity resin, positive control and other reagents necessary to perform immunoprecipitation (IP) or co-immunoprecipitation (Co-IP) reactions with an HA-tagged bait protein.


Supplier: Invitrogen
Description: The Zeba™ spin desalting plates are polypropylene devices containing high-performance Zeba™ desalting resin, offering rapid protein desalting with high recovery of proteins >7000 daltons
Supplier: Invitrogen
Description: Thermo Scientific Pierce MS(PEG)<sub>n</sub> reagents are methyl-terminated, polyethylene glycol compounds (n equals 4 to 24 PEG units) and TMS(PEG)<sub>12</sub> is a three-branched, polyethylene glycol compound (3 x 12 PEG units). Both are activated as NHS esters for covalent pegylation of primary amines on proteins (eg. lysines) or assay surfaces.
Supplier: Invitrogen
Description: These NeutrAvidin™ Agarose is a beaded agarose resin of immobilized NeutrAvidin™ Protein, a modified form of avidin with exceptional biotin-binding characteristics for affinity purification methods.
Catalog Number: (PI22363)
Supplier: Invitrogen
Description: Thermo Scientific Pierce SMPH is an amine-to-sulfhydryl crosslinker that contains NHS-ester and maleimide reactive groups at opposite ends of a long spacer arm (14.2 angstroms).

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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
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